X Is a Normally Distributed Random Variable with a Mean

question 97

Multiple Choice

X is a normally distributed random variable with a mean of 22 and a standard deviation of 5. The probability that X is less than 9.7 is

• A)0.000
• B)0.4931
• C)0.0069
• D)0.9931

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Definitions:

Stereotypes

Oversimplified generalizations about groups of people that may or may not reflect reality.

Morning Person

An individual who feels more awake, alert, and productive during the morning hours compared to other times of the day.

Scapegoat Theory

The idea that blaming problems and misfortunes on outgroups contributes to negative attitudes toward these outgroups.

Confirmation Bias

The inclination to seek out, understand, prefer, and remember data in a manner that affirms an individual's existing notions or assumptions.